PDA

View Full Version : Mach number decrease with fuel burn


Driver 170
17th Dec 2022, 12:25
Hi,

I’m curious about how this table is read. If we set a CI 10 for example and using ECON cruise speed. With fuel burn and decreasing weight, would our mach number slowly decrease?


https://cimg1.ibsrv.net/gimg/pprune.org-vbulletin/1504x1170/edea3cf3_4a34_4df3_a822_2bf68caba78d_2af089e03ddad1ccabe067f b102f54b3e99f6433.jpeg

42go
17th Dec 2022, 14:36
Below about 140k, yes.